The purpose of this study is to learn about the safety, tolerability and immune effects of a pneumococcal vaccine in toddlers.
Participants will take part in this study for approximately 6 or 8 months depending on which group they are assigned to. During this time participants will have 2 clinic visits and 1 phone visit for the 1-Dose group, or 3 clinic visits and 1 phone visit for the 2-Dose group.
At these clinic visits, participants will be asked if any side effects were experienced. The participants will also have to give blood samples during some clinic visits.
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Each clinical study has its own guidelines for who may participate, called eligibility criteria. These factors can include your age, sex, overall health, type and stage of disease, and personal treatment history. However, only the research study staff can determine if you qualify to enroll in the study.
Condition
Pneumococcal Disease
Sex
Male or Female
Age
1 - 15 months